diff options
Diffstat (limited to 'sysdeps/aix/sem_limits.c')
-rw-r--r-- | sysdeps/aix/sem_limits.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sysdeps/aix/sem_limits.c b/sysdeps/aix/sem_limits.c new file mode 100644 index 00000000..f3fce8d5 --- /dev/null +++ b/sysdeps/aix/sem_limits.c @@ -0,0 +1,86 @@ +/* $Id$ */ + +/* Copyright (C) 1998-99 Martin Baulig + This file is part of LibGTop 1.0. + + Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998. + + LibGTop is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + LibGTop is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License + along with LibGTop; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include <glibtop.h> +#include <glibtop/sem_limits.h> +#include <glibtop/error.h> + +#include "utils.h" + +static const unsigned long _glibtop_sysdeps_sem_limits = +(1 << GLIBTOP_IPC_SEMMNI) + (1 << GLIBTOP_IPC_SEMMSL) + +(1 << GLIBTOP_IPC_SEMOPM) + (1 << GLIBTOP_IPC_SEMUME) + +(1 << GLIBTOP_IPC_SEMUSZ) + (1 << GLIBTOP_IPC_SEMVMX) + +(1 << GLIBTOP_IPC_SEMAEM); + +/* Init function. */ + +void +glibtop_init_sem_limits_p (glibtop *server) +{ + off_t result; + + result = _glibtop_get_kmem_offset(server, "seminfo"); + if (result <= 0) + { + server->sysdeps.sem_limits = 0; + return; + } + + server->machine.seminfo_offset = result; + + server->sysdeps.sem_limits = _glibtop_sysdeps_sem_limits; +} + +/* Provides information about sysv sem limits. */ + +void +glibtop_get_sem_limits_p (glibtop *server, glibtop_sem_limits *buf) +{ + int result; + struct seminfo seminfo; + + glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_SEM_LIMITS), 0); + + memset (buf, 0, sizeof (glibtop_sem_limits)); + + result = _glibtop_get_kmem_info(server, server->machine.seminfo_offset, + &seminfo, sizeof(seminfo)); + + if (result <= 0) + { + glibtop_error_io_r (server, "Cannot read seminfo"); + + return; + } + + buf->semmni = seminfo.semmni; + buf->semmsl = seminfo.semmsl; + buf->semopm = seminfo.semopm; + buf->semume = seminfo.semume; + buf->semusz = seminfo.semusz; + buf->semvmx = seminfo.semvmx; + buf->semaem = seminfo.semaem; + + buf->flags = _glibtop_sysdeps_sem_limits; +} |